SUM HELP PLEASE

[albertz21]

ok put new engine into my car all going well till i took it out for a run tonite it seems like it has a misfire between 30 - 40 mph in 3 4 and 5th gear after that its fine and before its fine to does anyone have any ideas ?

the misfire isnt that bad but you can feel it in the car


any help would be appreciated thanks

 

[Len]

How much of the engine did you put in? Was it just internals or complete new unit? Any ancillaries with it?


I mean symptoms sound like the ECU realy but if in the engine swap or whatever something hasnt been reconnected etc. well who knows!

[boneybradley]

vacumm leak f.t.w 

[Len]

That what yours was then Mr Bradley?

[Mikester]

Ive had this too, was a hose too

[boneybradley]

That what yours was then Mr Bradley?

I dont know but vag-com shows nothing,the relays are fine and it has a new temp sensor....so it must be 

[albertz21]

put complete engine parts from old engine were swapped over ecu starter etc can anyone tell me what vacuuum hose and where it might be  ?

also i took the plug leads off one by one and started the car i only saw a spark from one out of the 4 are they meant to spark all the time ??

[Len]

Coil pack then! Or leads of course!